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4-12 www.hp.com Technical Reference Guide
System Support
4.5.3 System Status
These systems provide a visual indication of system boot, ROM flash, and operational status
through the power LED and internal speaker, as described in Table 4-7.
.
NOTES:
Beeps are repeated for 5 cycles, after which only blinking LED indication continues.
[1] If “Unique Sleep State Blink Rate” is enable in F10 Setup then blinks 4 times @ .5 Hz
[2] Repeated after 2 second pause.
[3] Beeps are produced by the internal chassis speaker.
[4] Check that CPU power connector P3 is plugged in.
Table 4-7.
System Operational Status LED Indications
System Status PowerLED Beeps [3] Action Required
S0: System on (normal
operation)
Steady green None None
S1: Suspend Blinks green @ .5 Hz None None
S3: Suspend to RAM Blinks green @ .5 Hz None None
S4: Suspend to disk Off – clear [1] None None
S5: Soft off Off – clear None None
Processor thermal shutdown Blinks red 2 times @ 1 Hz [2] 2 Check air flow, fans, heatsink
Processor not seated / installed Blinks red 3 times @ 1 Hz [2] 3 Check processor
presence/seating
Power supply overload failure Blinks red 4 times @ 1 Hz [2] 4 Check system board problem
[4],
Memory error (pre-video) Blinks red 5 times @ 1 Hz [2] 5 Check DIMMs, system board
Video error Blinks red 6 times @ 1 Hz [2] 6 Check graphics card or
system board
PCA failure detected by BIOS
(pre-video)
Blinks red 7 times @ 1 Hz [2] 7 Replace system board
Invalid ROM checksum error Blinks red 8 times @ 1 Hz [2] 8 Reflash BIOS ROM
Boot failure (after power on) Blinks red 9 times @ 1 Hz [2] 9 Check power supply,
processor, sys. bd
Bad option card Blinks red 10 times @ 1 Hz [2] 10 Replace option card
Enabled feature not supported
by processor
Blinks red 11 times @ 1 Hz [2] 11 Disable feature